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Process Control and Instrumentation

Process Control and Instrumentation
Meleoid gauge measures the __________ pressure.

Sub-atmospheric
Atmospheric
Positive
Very high

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Process Control and Instrumentation
The function of a transducer is to

Codify/decodify the input signal
Convert the primary signal into a more useful quantity, usually an electric impulse
Modify the input signal
Amplify the input signal

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Process Control and Instrumentation
Stroboscope is used for the measurement of

Rpm of a flywheel
Frequency of light
Liquid level under pressure
Depression of freezing point

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Process Control and Instrumentation
Which of the following is not a speed measuring instrument?

Tachometer
All of these
Psychrometer
Stroboscope

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Process Control and Instrumentation
Characteristic equation is the denominator of __________ loop transfer function.

Open
Both A & B Here
Neither A Nor B Here
Closed

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Process Control and Instrumentation
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

1064.43
630.74
961.93
1261.93

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